résumé – Détection du fonctionnement différentiel d’items par régression logistique La régression logistique a été utilisée comme une méthode d’identification du DIF dans différents contextes. Certaines études ont montré que cette procédure peut être affectée par des variables comme le ratio des tailles entre groupes, la taille de l’échantillon, et qu’elle semble liée avec les gammes de difficu...

Although a substantial amount of research has been conducted on differential item functioning in testing, studies have focused on detecting differential item functioning rather than on explaining how or why it may occur. Some recent work has explored sources of differential functioning using explanatory and multilevel item response models. This study uses hierarchical generalized linear modelin...

In the original article, it was written that “Then MLE scoring and DIF analysis with RDIF statistics were performed using est_score rdif functions, respectively, in R (R Core Team, 2019) package irtplay (p.90).” However, has been removed from CRAN repository due to intellectual property (IP) violation issues. Instead, a new called irtQ (Lim & Wells, 2023) released as successor irtplay. All IP i...

This Monte Carlo study assessed Type I error in differential item functioning analyses using Lord’s chi-square (LC), Likelihood Ratio Test (LRT), and Mantel-Haenszel (MH) procedure. Two research interests were investigated: response theory (IRT) model specification LC the LRT continuity correction MH enhances literature by investigating correct incorrect model-data fit comparing those results t...